PT ZONE: Purging

Study Urges Companies To Disclose Data On Plastic
Companies could become more sustainable by improving the way they measure, manage and report the amount of plastic they use in their business operations and supply chains. More (+)
MATERIALS: Check Online For Color-Purging Procedures
Quick Color Change Procedure is aimed at helping processors transition from a dark to a light color. More (+)


MOST RECENT CONTENT: Purging

Check Out the New Purging Compounds Knowledge Center

Get expert advice on how to solve black specks, color streaks and other quality problems.

MATERIALS: Purging Compounds Aid Production of Caps & Closures

Food-grade purging compounds specially tailored for production of HDPE beverage caps and closures.

How to Start a Hot-Runner Mold That Has No Tip Insulators

Here's a method to assist with efficient dark-to-light color changes on hot-runner systems that are hot-tipped.

MATERIALS: Purging Agent in New Packaging for Medical Clean Rooms

A new packaging option for Ultra Purge purging agent was developed specifically for clean-room production of medical parts.

Frequently Asked Questions About Purging

This 'FAQ' sections answers common questions about how to choose and use purging agents.

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OVERVIEW:
Purging

leistritzscrewpurging.jpg

Purging compounds are used by processors to clean out polymer, color and other impurities from the machine and tooling between production runs. There are three general kinds of purging compounds: chemical; abrasive; and non-abrasive.


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» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

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